ASTM A179 / A179M – 19 Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes
1.This specification covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
2.This specification covers tubes 1/8 to 3 in. [3.2 to 76.2 mm], inclusive, in outside diameter.
(1)Dimension:
OD3.2-76.2mm(1/8in-3in)
(2)Standard:
ASTM A179
(3)Technique:
Seamless and cold drawn
(4)Surface treatment:
Varnish or black painted
(5)Application:
Heat-exchanger and Condenser Tubes
(6)Type of Package:
Bundled and Packed in Seaworthy Bags, Plain Ends
(7)Inspection :
EN 10204/3.1 or EN 10204/3.2 Mill Test Certificate, SGS, BV
(8)Chemical Composition
C | Mn | P Max | S Max | Si Max |
0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
(9)Mechanical Property:
Tensile strength Ksi (Mpa) | Min 47(325) |
Yield strength Ksi (Mpa) | Min 26(180) |
Elongation(50mm)% | Min 35 |
Hardness | 72HRB |
(10)Manufacturing Process:
Seamless and cold-drawing
(11)Heat treatment:
The tube shall be heat treated after the final cold draw pass at a temperature of 1200°F or higher.
(12)Surface Condition:
Finished tubes shall be free of scale,A slight amount of oxidation will not be considered as scale.
(13)Mechanical Tests Required:
Flattening Test
Flaring test
Flange test
Hardness test
Hydrostatic test
ASME SA179 Cold Drawing Tubes – ASTM A179 Condenser Tubes – SA179 Heat Exchanger Tubes – ASME SA179 Seamless Pipes And Tubes – A179 Seamless Steel Tubes – SA179 Steel Tubes
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Dinmension | OD3.2-76.2mm(1/8in-3in) |
---|---|
Standard | ASTM A179 |
Technique | Seamless and cold drawn |
Surface treatment | Varnish or black painted |